See the World’s Biggest Airplane Roll Out for the First Time

What’s longer than a football field, heavier than a blue whale and powered by six Boeing 747 engines? The Stratolaunch, a rocket-launching airplane that left its hangar for the first time on May 31.
The Stratolaunch is designed to carry space rockets to high altitude, where... - http://www.wahmmo.com/see-the-worlds-biggest-airplane-roll-out-for-the-first-time/ -